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प्रश्न
What is the least count in the case of the following instrument?
Metre scale
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उत्तर
Least count of the following is
Metre scale = 0.1 cm
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संबंधित प्रश्न
Define the least count of vernier callipers. How do you determine it?
Name the two scales of a vernier callipers and explain how it is used to measure length correct up to 0.01 cm.
State one use of a screw gauge.
(a) A vernier scale has 20 divisions. It slides over the main scale, whose pitch is 0.5 mm. If the number of divisions on the left hand of the zero of vernier on the main scale is 38 and the 18th vernier scale division coincides with the main scale, calculate the diameter of the sphere, held in the jaws of vernier callipers.
(b) If the vernier has a negative error of 0.04 cm, calculate the corrected radius of the sphere.
What is the need for measuring length with vernier callipers?
What do you understand by the following term as applied to screw gauge?
Negative zero error
State whether the following statement is true or false by writing T/F against it.
The metre scale, vernier calipers, and screw gauge are in decreasing order of least count.
A vernier caliper using the scale invented by Galileo.
